| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 阴 | -27°/-34° | 0.0 mm |
| 2025-12-02 | 晴天 | -22°/-32° | 0.0 mm |
| 2025-12-03 | 小毛毛雨 | -15°/-24° | 0.2 mm |
| 2025-12-04 | 阴 | -11°/-21° | 0.0 mm |
| 2025-12-05 | 阴 | -10°/-17° | 0.0 mm |
| 2025-12-06 | 小雪 | -11°/-20° | 0.4 mm |
| 2025-12-07 | 小雪 | -16°/-24° | 0.8 mm |
| 2025-12-08 | 多云 | -12°/-21° | 0.0 mm |
| 2025-12-09 | 阴 | -13°/-21° | 0.0 mm |
| 2025-12-10 | 小雪 | -20°/-29° | 0.3 mm |
| 2025-12-11 | 阴 | -17°/-29° | 0.0 mm |
| 2025-12-12 | 阴 | -16°/-23° | 0.0 mm |
| 2025-12-13 | 阴 | -14°/-23° | 0.0 mm |
| 2025-12-14 | 阴 | -10°/-18° | 0.0 mm |
| 2025-12-15 | 阴 | -10°/-16° | 0.0 mm |
| 2025-12-16 | 阴 | -10°/-17° | 0.0 mm |
| 2025-12-17 | 阴 | -6°/-14° | 0.0 mm |
| 2025-12-18 | 小雪 | -6°/-18° | 1.0 mm |
| 2025-12-19 | 小雪 | -20°/-30° | 0.5 mm |
| 2025-12-20 | 阴 | -22°/-31° | 0.0 mm |
| 2025-12-21 | 阴 | -15°/-23° | 0.0 mm |
| 2025-12-22 | 小雪 | -11°/-25° | 0.5 mm |
| 2025-12-23 | 小雪 | -16°/-25° | 0.3 mm |
| 2025-12-24 | 小雪 | -20°/-28° | 0.3 mm |
| 2025-12-25 | 阴 | -14°/-24° | 0.0 mm |
| 2025-12-26 | 阴 | -11°/-17° | 0.0 mm |
| 2025-12-27 | 阴 | -9°/-18° | 0.0 mm |
| 2025-12-28 | 小雪 | -16°/-27° | 0.4 mm |
| 2025-12-29 | 阴 | -20°/-28° | 0.0 mm |
| 2025-12-30 | 晴天 | -19°/-26° | 0.0 mm |
| 2025-12-31 | 晴天 | -12°/-24° | 0.0 mm |
2025年12月额尔德尼共记录 31 天，平均最高 -14℃、最低 -23℃，降水日 10 天。